IC Card Lock, keyless lock

hot forged plate, small lockcase mortise lock, deluxe satin brass finish treated with nanotech. , dampproof Philips PCB, original Japanese Mabuchi motor, five latches, Siemens SLE4442 card
Intelligent maintenance system in the lock allows a maintenance card to show what is wrong with the lock.
Turning the handle violently doesn't damage the essential parts inside.
Improved low batteries indication limits unlocking in 50 times to lower the risk of theft.
Battery box on the lateral prevents the electrolyte from corrupting lock and its auto projecting structure simplifies replacing of batteries